Charging state reporting on H3x0

Don't read the GPIO every refresh of statusbar or gwps for plugged state, use a
variable exported from powermgmt instead.
Allow Custom WPS to access %bc for battery charge state on targets that support
this.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8383 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index da97233e57..8a20890228 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -148,6 +148,12 @@ void charger_enable(bool on)
 }
 #endif
 
+#ifdef HAVE_CHARGE_STATE
+bool charging_state(void) {
+    return (GPIO_READ & 0x00800000)?true:false;
+}
+#endif
+
 #ifdef HAVE_SPDIF_POWER
 void spdif_power_enable(bool on)
 {